A52Budapest Defence
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4
A52Budapest Defence
Adler Variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Nf3
A52Budapest Defence
Rubinstein Variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4
A52Budapest Defence
Alekhine Variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4
A52Budapest Defence
Alekhine, Abonyi Variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Nec6
A52Budapest Defence
Alekhine Variation, Balogh Gambit
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 d6